1.1 --- a/src/main.cc	Sun Apr 27 18:13:44 2014 +0300
     1.2 +++ b/src/main.cc	Sun Apr 27 18:25:40 2014 +0300
     1.3 @@ -53,6 +53,7 @@
     1.4  
     1.5  static int use_orig_vol_res = 1;
     1.6  static int vol_res[3]; // volume sampling resolution x/y/z
     1.7 +static float bound_scale = 1.42;
     1.8  
     1.9  static GLUI *ui;
    1.10  
    1.11 @@ -124,6 +125,8 @@
    1.12  	vol_res[1] = vol->get_slice(0)->get_height();
    1.13  	vol_res[2] = vol->get_slice_count();
    1.14  
    1.15 +	num_poly = std::max(vol_res[0], std::max(vol_res[1], vol_res[2])) * bound_scale;
    1.16 +
    1.17  	if(!(ui = create_ui())) {
    1.18  		return false;
    1.19  	}
    1.20 @@ -296,13 +299,9 @@
    1.21  	if(tmax_loc != -1)
    1.22  		glUniform1f(tmax_loc, std::max(thres, thres2));
    1.23  
    1.24 -	const Image *img = vol->get_slice(0);
    1.25 -	int res_x = img->get_width();
    1.26 -	int res_y = img->get_height();
    1.27 -	int res_z = vol->get_slice_count();
    1.28  	int res_loc = glGetUniformLocation(sprog_vol, "res");
    1.29  	if(res_loc != -1)
    1.30 -		glUniform3f(res_loc, (float)res_x, (float)res_y, (float)res_z);
    1.31 +		glUniform3f(res_loc, (float)vol_res[0], (float)vol_res[1], (float)vol_res[2]);
    1.32  
    1.33  	glDisable(GL_DEPTH_TEST);
    1.34  	glBindTexture(GL_TEXTURE_3D, vol->get_texture());
    1.35 @@ -314,10 +313,10 @@
    1.36  		float tex_z = (float)i / (float)num_poly;
    1.37  		float z = 2 * tex_z - 1;
    1.38  
    1.39 -		glTexCoord3f(0, 0, tex_z); glVertex3f(-2, -2, z * 2);
    1.40 -		glTexCoord3f(0, 1, tex_z); glVertex3f(-2, 2, z * 2);
    1.41 -		glTexCoord3f(1, 1, tex_z); glVertex3f(2, 2, z * 2);
    1.42 -		glTexCoord3f(1, 0, tex_z); glVertex3f(2, -2, z * 2);
    1.43 +		glTexCoord3f(0, 0, tex_z); glVertex3f(-bound_scale, -bound_scale, z * bound_scale);
    1.44 +		glTexCoord3f(0, 1, tex_z); glVertex3f(-bound_scale, bound_scale, z * bound_scale);
    1.45 +		glTexCoord3f(1, 1, tex_z); glVertex3f(bound_scale, bound_scale, z * bound_scale);
    1.46 +		glTexCoord3f(1, 0, tex_z); glVertex3f(bound_scale, -bound_scale, z * bound_scale);
    1.47  	}
    1.48  	glEnd();
    1.49  	glDisable(GL_BLEND);